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Article
Chemistry, Physical
Shuaishuai Gao et al.
Summary: Electrocatalytic nitrogen reduction reaction (eNRR) has been studied using Fe-transition metal (TM) hybrid heteronuclear dual-atom catalysts with atomic spin regulation. Fe/Mo-N-C is found to be an excellent catalyst for NRR, which can effectively reduce the limiting potential and suppress HER. The research provides new insights into the mechanism of nitrogenase and the rational design of efficient NRR catalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Xiaoya Fan et al.
Summary: In this study, a novel NO3RR electrocatalyst, Co3O4@TiO2/TP, was reported to exhibit excellent Faradaic efficiency and high NH3 yield, as well as strong electrochemical durability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Donglin Zhao et al.
Summary: This study reports that a TiO2-x nanobelt array with oxygen vacancies can convert nitrite into ammonia with high electrocatalytic efficiency and yield in alkaline solution.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Qiuyue Chen et al.
Summary: In this study, Cu2O particles self-supported on Cu foam with enriched oxygen vacancies were developed as efficient catalysts for selective reduction of nitrite to ammonia. The catalyst exhibited a high NH3 yield rate and Faradaic efficiency under experimental conditions, providing a new approach for rational design of Cu-based catalysts for NH3 electrosynthesis.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Xi Zhang et al.
Summary: This review highlights the recent progress and applications of electrochemical nitrite reduction, including the preparation of gaseous and liquid products, catalyst selection, and understanding of reaction mechanisms. The challenges and opportunities in this field are analyzed as well.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Guilai Wen et al.
Summary: Ammonia plays a crucial role in agriculture and industry, but its traditional production methods suffer from environmental pollution and high energy consumption. This study introduces a highly efficient electrocatalyst that can convert nitrite into ammonia at room temperature, achieving high yield rates and selectivity.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Peng Shen et al.
Summary: Combining catalyst and electrolyte engineering, a high-efficiency electrocatalytic nitrogen reduction reaction (NRR) is achieved using a Se-vacancy-rich WSe2-x catalyst in water-in-salt electrolyte (WISE), which suppresses H2 evolution, improves N2 affinity, and enhances active site pi-back-donation ability for promoting both activity and selectivity of NRR. The WSe2-x in 12m LiClO4 exhibits excellent faradaic efficiency and NH3 yield, among the highest reported to date.
Article
Chemistry, Physical
Ling Ouyang et al.
Summary: In this study, a metal-free catalyst consisting of honeycomb carbon nanofiber coated on carbon paper was developed for efficient electroreduction of NO to NH3 in ambient conditions. The catalyst exhibited high NH3 yield and Faradaic efficiency, as well as excellent stability. Theoretical calculations suggested that the -OH group served as the most active site for NO reduction, with a low energy barrier for the potential-determining step.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Zisen Ye et al.
Summary: In this paper, NiS2 and its composite with Ni-based carbon nanotubes (NiS2/NCNTs) are explored as cathode materials for Mg-ion batteries. NiS2/NCNTs with excellent Mg2+ storage property is synthesized by growing NiS2 nanoparticles on NCNTs. NiS2 with a large regular cavity structure and abundant sulfur-sulfur (S-S) bonds can provide active sites and unobstructed transport paths for the insertion-disinsertion of Mg2+. NiS2/NCNTs exhibit high capacity and outstanding rate performance.
Article
Multidisciplinary Sciences
Jin Wang et al.
Summary: In this study, a 2D flexible electrode for electrocatalytic nitrate reduction to ammonia (ENRA) was successfully prepared. The electrode exhibited high Faradaic efficiency and excellent stability, offering a solution to environmental and energy crises.
Article
Chemistry, Physical
Qian Liu et al.
Summary: In this study, an efficient electrocatalyst consisting of Ag nanoarray and NiO nanosheets array on carbon cloth as support was reported for the selective reduction of nitrite to ammonia. The catalyst exhibited high ammonia yield and Faradaic efficiency in alkaline solution.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Xun He et al.
Summary: In this study, Ni nanoparticles supported on molasses-derived carbon sheets were reported as an electrocatalyst for the reduction of NO2- to NH3. The electrocatalyst exhibited high NH3 yield and remarkable electrochemical stability in alkaline solutions.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Physical
Ling Ouyang et al.
Summary: Electrochemical nitrite reduction provides an environmentally friendly method for removing hazardous NO2- and synthesizing sustainable NH3. A P-doped TiO2 nanobelt array supported on titanium plate (P-TiO2/TP) acts as a highly efficient electrocatalyst for the reduction of NO2-, achieving a satisfactory faradaic efficiency of 90.6% and a large NH3 yield of 560.8 mu mol h(-1) cm(-2), surpassing pristine TiO2/TP. In addition, the catalytic mechanism is also revealed through theoretical calculations.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Inorganic & Nuclear
Long Hu et al.
Summary: In this study, an amorphous CoB supported on TiO2 nanoarray was found to be an efficient catalyst for NH3 synthesis through electrochemical reduction of NO2-. It exhibited outstanding yield and high faradaic efficiency.
INORGANIC CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Multidisciplinary
Xiuhong Li et al.
Summary: Elecroreduction of NO2- to NH3 is an efficient method for both ammonia synthesis and removal of NO2- pollutants. In this study, Ni nanoparticle-decorated juncus-derived biomass carbon (Ni@JBC-800) is found to be a highly efficient catalyst with a high NH3 yield and large faradaic efficiency in an alkaline electrolyte.
Article
Chemistry, Physical
Chengchen Liu et al.
Summary: In this study, a CeO2 nanoparticle decorated three-dimensional carbon skeleton derived from Juncus was proposed as an active and stable electrocatalyst for N-2-to-NH3 conversion. The nanohybrid showed a high NH3 yield and favorable durability.
SUSTAINABLE ENERGY & FUELS
(2022)
Article
Electrochemistry
Shaoxiong Li et al.
Summary: The study reports a three-dimensional catalyst for the reduction of NO2- to produce NH3, demonstrating high activity, excellent selectivity, and durability.
Article
Chemistry, Multidisciplinary
Rong Zhang et al.
Summary: In this study, a Zn-NO2- battery with electrocatalytic properties was developed, which can simultaneously degrade NO2-, produce NH3, and generate electricity. Nanoparticle-assembled carbon-doped cobalt oxide hollow nanotubes showed high efficiency for the NO2- reduction reaction, improving the energy conversion rate of NH3 production. This research not only provides a new approach for sustainable energy supply and NH3 electrosynthesis but also offers an attractive electrocatalytic method for the degradation of NO2- pollutants in wastewater.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Ngoc Quang Tran et al.
Summary: In this study, the electrocatalytic reduction of NO2- ions to NH3 on a single-atom Ru-modified Cu nanowire array on a three-dimensional copper foam was successfully achieved under ambient conditions. The Ru-Cu NW/CF catalyst exhibited high faradaic efficiency and NH3 yield, which was approximately five times higher than that of the Cu NW/CF catalyst.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Xiaowei Mu et al.
Summary: This study demonstrates efficient photocatalytic ammonia synthesis across the entire solar spectrum using Ru modified anatase/TiO2(B) heterostructured nanosheet arrays. Superior NH3 production rates of 2004 μg h(-1) g(-1) and 521 μg h(-1) g(-1) were achieved under visible light (400 nm) and near-infrared light (1550 nm) irradiation, respectively.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Inorganic & Nuclear
Yao Luo et al.
Summary: In this study, 16 transition metal-modified Co-4 clusters supported on graphdiyne were systematically screened as potential NRR catalysts using density functional theory calculations. Ti-, V-, Cr-, Mn-, and Zr-Co-3@GDY were identified as promising candidates for NRR based on stability, N-2 activation, selectivity, and activity. Ti-Co-3@GDY was suggested as the most promising candidate catalyst due to its low limiting potential and high stability in working conditions, with high activity attributed to the synergy effect between the Co-3 cluster and heteroatom.
INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Sarah E. Braley et al.
Summary: This work presents a graphite-conjugated diimine macrocyclic Co catalyst that efficiently reduces nitrite to ammonium on graphitic carbon electrodes. Compared to the molecular analogue, this catalyst exhibits a higher reaction rate and may involve a different reaction mechanism.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Physical
Yue Peng et al.
Summary: The study successfully enhanced the energy/power densities and cycle stability of lithium-ion hybrid capacitors (LICs) by optimizing the anode structure.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Review
Chemistry, Physical
Jing Wang et al.
Summary: Ammonia (NH3) is considered a potential carbon-free energy carrier and a crucial feedstock for various industries. Electrochemical N2 reduction to NH3 has emerged as an alternative method, utilizing nitrate/nitrite as nitrogen sources to mitigate environmental concerns. Challenges remain in achieving high NH3 yield and efficiency, highlighting the need for further research into metal nanocatalysts and cycles stability.
Article
Chemistry, Multidisciplinary
Debabrata Chanda et al.
Summary: Ammonia is a key chemical in the fertilizer industry and a promising energy carrier for fuel cell applications, with efforts to find sustainable alternatives to traditional production methods. The electrochemical nitrogen reduction reaction (ENRR) is seen as a green alternative to the energy-intensive Haber-Bosch process, but challenges remain in the lack of highly efficient and cheap catalysts. Understanding catalyst activity, selectivity, and stability, as well as the mechanism of the ENRR process, is crucial for improving its efficiency.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Ying Guo et al.
Summary: This study presents a highly efficient Pd-doped TiO2 nanoarray electrode for ammonia production through nitrate electroreduction, achieving high yields and selectivity. By introducing Pd, the adsorption abilities of intermediates were weakened, leading to record-high NH3 yield, NH3 FE, and nitrate conversion.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Inorganic & Nuclear
Zheng Chen et al.
Summary: The study demonstrates a green chemistry approach for synthesizing nitrogen-doped carbon using cellulose as a precursor, with structural determination by directly-excited solid state N-15 NMR spectroscopy. The presence of graphitic nitrogen in the N-doped carbon catalyst was found to play a crucial role in electrocatalytic reactions, resulting in higher activity for reactions like the hydrogen evolution reaction (HER) and nitrite reduction. Analysis using various techniques supported the findings, and the potential of N-15 ssNMR spectroscopy for characterization of N-doped carbon materials with intermediate N atom concentration was highlighted.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Physical
Jie Liang et al.
Summary: The study introduces NiS2 nanosheets as an efficient electrocatalyst for the 2e(-) ORR under acidic conditions, showing high selectivity and yield rate.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Changhong Wang et al.
Summary: In this study, Ni nanosheet arrays with Ni vacancies exhibited outstanding electrocatalytic performances towards selective nitrite reduction to ammonia and semi-dehydrogenation of tetrahydroisoquinolines. The decrease in electronic cloud density induced by the Ni vacancies improved NO2- adsorption and NH3 desorption, leading to high performance in nitrite-to-ammonia conversion. Additionally, a bifunctional two-electrode electrolyzer was constructed for simultaneous production of ammonia and dihydroisoquinoline with robust stability and high selectivity.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Hao Li et al.
Article
Chemistry, Physical
Jacob P. Troutman et al.
Article
Ecology
Xianbin Zhu et al.
Article
Multidisciplinary Sciences
Na Cao et al.
NATURE COMMUNICATIONS
(2019)
Article
Chemistry, Physical
Kun Wang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Chemistry, Physical
Jianan Gao et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Chemistry, Physical
Aneela Tahira et al.
ACS APPLIED ENERGY MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Zhiqiang Zhang et al.
ENVIRONMENTAL SCIENCE-NANO
(2018)
Article
Chemistry, Multidisciplinary
Yixing Guo et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2018)
Review
Green & Sustainable Science & Technology
Ahmed Afif et al.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2016)
Article
Electrochemistry
Luca Mattarozzi et al.
ELECTROCHIMICA ACTA
(2013)
Article
Chemistry, Physical
Boningari Thirupathi et al.
JOURNAL OF CATALYSIS
(2012)
Review
Multidisciplinary Sciences
James N. Galloway et al.
